40160772421155 has 24 divisors (see below), whose sum is σ = 73706829386112. Its totient is φ = 20159132822784.

The previous prime is 40160772421141. The next prime is 40160772421163. The reversal of 40160772421155 is 55112427706104.

40160772421155 is a `hidden beast` number, since 4 + 0 + 1 + 6 + 0 + 7 + 72 + 421 + 155 = 666.

It is not a de Polignac number, because 40160772421155 - 2⁴ = 40160772421139 is a prime.

It is a super-2 number, since 2×40160772421155² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 40160772421155.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26248870099 + ... + 26248871628.

It is an arithmetic number, because the mean of its divisors is an integer number (3071117891088).

Almost surely, 2^{40160772421155} is an apocalyptic number.

40160772421155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40160772421155 is a deficient number, since it is larger than the sum of its proper divisors (33546056964957).

40160772421155 is a wasteful number, since it uses less digits than its factorization.

40160772421155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52497741755 (or 52497741752 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The spelling of 40160772421155 in words is "forty trillion, one hundred sixty billion, seven hundred seventy-two million, four hundred twenty-one thousand, one hundred fifty-five".